The two rails of a railway track, insulated from each other and the ground, are connected to millivoltmeter. What is the reading of the millivoltmeter when a train passes at a speed of 180 km/hr along the track, given that the vertical component of earth's magnetic field is 0.2 × 10 –4 wb/m 2 and rails are separated by 1 meter-
Text Solution
Verified by ExpertsThe correct answer is:
D
The voltmeter will record 1 mv .
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